S3MCompressType() S3M texture compression type. Members staticCesium.S3MCompressType.encNONE Uncompressed. staticCesium.S3MCompressType.enrPVRTPF_ETC1 ETC compression - Android device. staticCesium.S3MCompressType.enrPVRTPF_PVRTC PVR compression - iOS device. staticCesium.S3MCompressType.enrPVRTPF_PVRTC2 PVR compression - iOS device. staticCesium.S3MCompressType.enrPVRTPF_PVRTC_4bpp PVR compression - iOS device. staticCesium.S3MCompressType.enrS3TCDXTN DXT compression.